package com.itheima.mapper;

import com.itheima.pojo.Dept;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
 * 部门管理Mapper
 * */
@Mapper
public interface DeptMapper {
    /**
     * 查询所有的部门列表
     * */
    @Select("select * from dept order by update_time desc")
    List<Dept> selectAll();

    /**
     * 根据id删除指定部门
     */
    @Delete("delete from dept where id = #{id}")
    void deleteById(Integer id);

    /**
     * 添加部门
     */
    @Insert("insert into dept(name,create_time,update_time) values(#{name},#{createTime},#{updateTime})")
    void add(Dept dept);

    /**
     * 根据id查询部门
     */
    @Select("select * from dept where id = #{id}")
    Dept selectById(Integer id);

    /**
     * 更新部门
     */
    @Insert("update dept set name = #{name},update_time = #{updateTime} where id = #{id}")
    void updateById(Dept dept);
}
